The O-Ring, cataloged under National Stock Number 5331-01-526-5333, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Div O-Ring Division. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-526-5333 |
| Primary Part Number | 41583N |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.210 INCHES NOMINAL IN |
| Center Hole Diameter | 46.779 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 41583N PRIMARY | Parker-Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 7385919 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5331-01-526-5333 is a O-Ring, manufactured by Parker-Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-526-5333 has 1 manufacturer part number on file: 41583N (Parker-Hannifin Corporation Div O-Ring Division).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-537-5783. Verify interchangeability with system specifications before substitution.
Key specifications for 41583N: Cross-Sectional Height: 0.210 INCHES NOMINAL IN; Special Features: OVERALL LENGTH OF ITEM IS 147.619 IN, NOMINAL; ENDS OF ITEM ARE SPLICED TO FORM THE O-RING IN; Center Hole Diameter: 46.779 INCHES NOMINAL IN; End Item Identification: FWD ELECT SEC. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.